body{

    background: rgb(41, 41, 41);
    
}
#app{
    position: relative;
    margin: 10px auto;
    padding: 0;
    width: 700px;
    height: 400px;
    border-radius: 5px;
    border: 10px rgb(12, 173, 152) solid;
    box-shadow: 20px 30px 20px rgb(11, 15, 14);
}
#app img{
    width: 700px;
    height: 400px;
    max-width: 100%;
    
}

.button{
    position: absolute;
    width: 50px;
    height: 100%;
    text-align: center;
    line-height: 400px;
    top: 5%;
    margin-top: -25px;
    border: 5px solid rgb(12, 173, 152);
    opacity: 0.8;
    cursor: pointer;
    color: #29cf95;
    background: black;
    font-size: 30px;
}

#right{
    left: 100%;
    margin-left: -60px;
}
.got-started {
    display: inline-block;
    border: 2px solid #CF295A;
    width: 100px;
    height: 49px;
    line-height: 49px;
    margin: 0;
    color: #CF295A;
    font-size: 20px;
    border-radius: 3px;
    margin-left: 10px;
    text-align: center;
    font-weight: bold;
  }
  
  .got-started:hover {
    color: rgb(255, 255, 255);
    background-color: #17b0a8;
    text-decoration: none;
    border: none;
  }